Terrestrial Energy (IMSR) Q1 2026 earnings summary

Executive summary

• Achieved key engineering and regulatory milestones, including NRC approval of the PIE Topical Report and Postulated Initiating Events methodology, and advanced major projects under DOE agreements.

• Expanded commercial pipeline to 10 IMSR plant projects, representing 7.8 GW of indicative capacity, and signed MOU with Riot Platforms to co-locate IMSR plants with data centers, targeting up to 4 GW for AI and high-performance computing.

• Completed a business combination in October 2025, resulting in a Nasdaq listing and significant capital infusion.

• Developing advanced nuclear technology with the IMSR, aiming for commercial operation by the mid-2030s and fleet deployment in the late 2030s.

Financial highlights

• Reported net loss of $10.5 million for Q1 2026, up $4.3 million sequentially and 68% year-over-year, mainly due to higher R&D and G&A expenses.

• Cash and investments totaled $289.9 million at March 31, 2026, down from $297.8 million at year-end 2025.

• Quarterly cash burn was $7.9 million, up $1.8 million sequentially, mainly due to bonus payments and vendor paydowns.

• Operating expenses rose to $11.9 million, driven by increased R&D and G&A costs.

• No debt; liabilities limited to modest current liabilities and lease obligations.

Outlook and guidance

• Liquidity runway supports continued progress on IMSR plant development, supply chain, and commercialization, with guidance for one to three additional project announcements in 2026.

• Management expects ongoing significant expenditures to support commercialization and business growth.

• Current liquidity is projected to be sufficient for at least the next twelve months based on operating plans.